RetroTech Chris on X: "Testing out my "new" US Robotics 56K Faxmodem. Dialed up the Diamond Mine BBS. Sound on if you like modem sounds. https://t.co/4yoKUNi1ji" / X
USRobotics - Wikipedia
US Robotics USR5633A 56k External V.92 USB Fax Modem
Amazon.com: U.S. Robotics 005686-03 56K V.90 External Fax Modem